/*
 * Copyright 2013 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.yarn.integration.support;

import java.net.ServerSocket;
import java.net.Socket;

import org.springframework.yarn.support.NetworkUtils;

/**
 * Implementation of {@link org.springframework.integration.ip.tcp.connection.TcpSocketSupport}
 * which extends its base functionality by catching socket information, like listen address and port.
 *
 * @author Janne Valkealahti
 *
 */
public class DefaultPortExposingTcpSocketSupport implements PortExposingTcpSocketSupport {

	private ServerSocket serverSocket;

	@Override
	public void postProcessServerSocket(ServerSocket serverSocket) {
		this.serverSocket = serverSocket;
	}

	@Override
	public void postProcessSocket(Socket socket) {
	}

	@Override
	public int getServerSocketPort() {
		return serverSocket != null ? serverSocket.getLocalPort() : -1;
	}

	@Override
	public String getServerSocketAddress() {
		// TODO: do better address resolving
		return serverSocket != null ? NetworkUtils.getDefaultAddress() : null;
	}

}
